\Header{UKgas}{UK Quarterly Gas Consumption}
\keyword{datasets}{UKgas}
\begin{Description}\relax
Quarterly UK gas consumption from 1960Q1 to 1986Q4, in millions of therms.\end{Description}
\begin{Usage}
\begin{verbatim}data(UKgas)\end{verbatim}
\end{Usage}
\begin{Format}\relax
A quarterly time series of length 108.\end{Format}
\begin{Source}\relax
Durbin, J. and Koopman, S. J. (2001) \emph{Time Series Analysis by
State Space Methods.}  Oxford University Press.
\url{http://www.ssfpack.com/dkbook/}\end{Source}
\begin{Examples}
\begin{ExampleCode}
data(UKgas)
## maybe str(UKgas) ; plot(UKgas) ...
\end{ExampleCode}
\end{Examples}

